Registration of securities issued in business combination transactions

Summary of Significant Accounting Policies (Detail)

v3.20.4
Summary of Significant Accounting Policies (Detail) - USD ($)
2 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Apr. 05, 2019
Initial Public Offering                      
Offering costs           $ (15,075,329)       $ (15,075,329)  
Underwriter discounts               $ 14,400,000   14,400,000  
Total underwriters commission                   9,190,000 $ 9,190,000
Other offering costs   $ 638,000           $ 638,000   $ 638,000  
Shares subject to possible redemption 0 27,930,364           27,930,364   27,942,373  
Federal depository insurance coverage                   $ 250,000  
Gain on marketable securities, dividends and interest held in Trust Account   $ 86,803     $ 1,561,854     $ 1,201,382 $ 3,322,448 4,554,158  
Net income $ (2,694) (971,489) $ (110,220) $ 961,618 1,450,104 $ 1,640,103 $ (13,739) (120,091) 3,076,468 4,226,759  
Loss from operations $ (2,694) $ (1,058,292)     $ (111,750)     $ (1,321,473) $ (245,980) $ (327,399)  
Basic and diluted weighted average shares outstanding of Founder Shares 7,187,500 7,187,500     7,187,500     7,187,500 7,187,500 7,187,500  
Unrecognized tax benefits   $ 0           $ 0   $ 0  
Accrual for interest and penalties   $ 0           0   0  
Private Placement                      
Initial Public Offering                      
Purchase of ordinary shares               $ 22,125,000   $ 22,125,000  
Ordinary Shares                      
Initial Public Offering                      
Number of shares issued   28,750,000           28,750,000   28,750,000  
Adjustments                      
Initial Public Offering                      
Shares subject to possible redemption                   28,827,344